162results about How to "Prevent prying" patented technology

A firearm safety device for a firearm having a trigger and trigger guard. The firearm safety device includes first and second assemblies adapted to be secured to the firearm on opposite sides of the trigger guard to prevent access to and actuation of the trigger. The firearm safety device includes a lip disposed on at least one of the first and second assemblies for overlapping the other assembly when the safety device is secured to the firearm.

The invention discloses an office cabinet. A lock and a circuit control device are arranged on a drawer rear panel in the office cabinet and a rear panel in the office cabinet; the outer surface of the office cabinet is provided with an identity (ID) acquisition device for receiving ID signals; and the circuit control device is used for verifying the ID signals and controlling the lock to open ormaintain a locking state according to verification results. The ID acquisition device comprises a password identifier, a human face recognizer, a radio frequency card reader or a fingerprint reader and the like. The lock is arranged between the rear panel inside the cabinet and the drawer rear panel, so the office cabinet is concealed and cannot be found easily. In addition, the cabinet does not have a keyhole, and the fingerprint reader can be adopted by the ID acquisition device, so that the recognition accuracy is high, the position of a lock body cannot be found through the keyhole, the concealment of the lock body is improved, and the lock body is prevented from being prized.

The invention provides an antitheft multifunctional safety box and belongs to the technical field of safety boxes. The safety box comprises a box body, and a box door connected with the box body. A door catch mechanism is arranged on the inner wall of the box door and is connected with a door bolt. A door bolt automatic reset mechanism is arranged between a door frame and the door catch mechanism and comprises a brake and a reset spring. The reset spring is connected with the door bolt and the door catch mechanism in a buckled mode. The brake is installed on the box door through a first locating pin and a second locating pin. The periphery of the first locating pin is sleeved with a torsional spring. The brake is arranged on one side of the door bolt. An electric lock controller is arranged below the inner wall of the box door. A vibration sensor is connected to one side of the electric lock controller. A telescopic rod is connected to the lower portion of the electric lock controller. The bottom face of the box body is provided with a locating hole corresponding to the telescopic rod. Through the safety box, a thief can be prevented from damaging a protective structure of a mechanical lock, the safety box is opened and closed through a double-lock structure achieved by combining a mechanical lock and an electric lock, and a dampproof function is further achieved.

The invention discloses a built-in wireless remote vehicle lock. The built-in wireless remote vehicle lock has reasonable structural design, is low in cost, and comprises a wheel axle and a lock body; the wheel axle is provided with a hollow cavity; the lock body is arranged in the hollow cavity of the wheel axle; clamp grooves are formed on the inner sides of the wheel axle; the lock body is provided with a main shaft which is provided with a magnet coil and a control device; the control device controls the magnet coil to work; the magnet coil is connected with a lock pin device; the lock pin device is clamped in the clamp grooves and is connected with a limit device which is arranged on the main shaft and limits the magnet coil and the lock pin device; the built-in wireless remote vehicle lock has a simple structure, is convenient to use and operate, is arranged in the wheel axle of a vehicle, excellent in prying and shearing resistance and anti-theft performance, safe and reliable in performance, and long in service life, is unlocked remotely.

Provided is a lock cylinder with limited posts. The invention relates to a lock cylinder, particularly to a lock cylinder with limited posts. With the lock cylinder, problems that the A-level anti-theft lock has a poor burglary prevention performance and the B-level anti-theft lock with the high cost is not suitable for popularization and application can be solved. A plurality of first through hole are successively formed in a lower hole wall of a key hole of an inner lock cylinder from left to right side by side; a plurality of second through holes are successively formed in a lower hole wall of an insertion hole of an outer lock cylinder from left to right side by side; and the multiple first through holes and the multiple second through holes are connected in a one-to-one correspondence mode. An upper column body is arranged in each first through hole; a lower column body, a spring, and a sealing bead are successively arranged at each second through hole from top to bottom; and one limiting post is arranged in each spring. A distance H between an upper end surface of each limited post and a lower end surface of each corresponding lower column body is H; a depth of each first through hole is D; a height of each upper column body is L; and the L is larger than the H and the H is larger than the L minus D. The lock cylinder is used for burglary prevention.

The invention discloses an automatic safe-guard chain door lock. The automatic safe-guard chain door lock comprises a spring bolt component, a locking device and a rotating device, wherein the rotating device comprises a rotating piece, a first connecting piece and a biasing piece; the rotating piece is rotatably arranged inside a lock case around the axis; the first connecting piece is used for connecting the rotating piece with a spring bolt mounting plate for mounting the spring bolt component; with the matching of a first steering structure, the rotating piece rotates to bring back the spring bolt mounting plate or push the spring bolt mounting plate out of the lock case through the first connecting piece; the biasing piece is used for applying a biasing force rotating forwards the locking direction to the rotating piece; the rotating piece can be sleeved on a handle shaft in a rotating manner along with the handle shaft or can be sleeved on a tapered end in the rotating manner along with the tapered end; an intermediate transmission structure capable of driving the opposite side to rotate is further arranged between the handle shaft and the lock. According to the automatic safe-guard chain door lock, the handle shaft can be used for directly driving the rotating piece so as to bring back the spring bolt mounting plate or push the spring bolt mounting plate out of the lock case through the first connecting piece, and the tapered end can be used for driving the rotating piece to realize the process through the intermediate transmission structure; during the process, intermediate components are few, assembling errors are unlikely to occur, and the automatic safe-guard chain door lock is simple and compact in overall structure, safe and reliable.

The invention discloses a damproof ant-theft sealing door for a military storehouse. The damproof ant-theft sealing door comprises a large door, wherein a small door is arranged on the large door; a small door lock is arranged on the small door; the small door lock comprises a tapered end; the small door lock is connected with a mechanical password lock on the large door in match; the mechanical password lock comprises an outer frame, an inner frame, a connecting rod and a spring bolt; an automatic door sealing device is arranged on a pre-buried bottom frame; the automatic door sealing device comprises a liquid storage container, an instantaneous adhesive, a liquid outlet, an arc-shaped plastic part and a rope component; the rope component comprises a first rope and a second rope; the first rope and the second rope are in mutual threaded connection through cooperation of a screw nut and a bolt. The damproof ant-theft sealing door is good in dampproof property, good in anti-theft property and good in sealing property.

The invention belongs to the technical field of safe-guard door locks, and particularly relates to an intelligent lock. The intelligent lock comprises a lock rack, wherein a lock tongue and lock heads, which are used for safe guard, are slidingly arranged in the lock rack, a motor used for driving the lock heads to move is arranged on the lock rack, a gear set is arranged between the motor and thelock tongue, the motor drives the gear set to move, and drives the lock tongue to slide relative to the lock rack, and the gear set comprises a gear lock cylinder, a reduction gear set and an intermittent gear set. The intermittent gear set comprises a first gear and a second gear, the first gear and the second gear are connected with the reduction gear set and the gear lock cylinder respectively, a first arc-shaped groove is formed in the first gear, a second bulge is arranged on the second gear, the second bulge is arranged in the first arc-shaped groove in a penetrating mode, when the lockis opened by a user through a mechanical key, the mechanical key controls the gear lock cylinder to rotate, and the lock tongue is controlled by the second gear to shrink towards the interior of thelock rack, so that the second bulge slides in the first arc-shaped groove. The purpose is to provide the intelligent lock which is convenient to use and can be opened manually and effortlessly.

The present invention provides one kind of anti-theft license plate fixture and relates to mechanical technology. The anti-theft license plate fixture includes one protecting seat with inner cavity, one piece of fastening screw and one protecting hood on the protecting seat. The fastening screw penetrates through the bottom of the protecting seat, the protecting hood is set in the mouth of the protecting seat cavity, one clamp is set inside and connected to the protecting seat, and one clamping mechanism is set between the protecting hood and the clamp to avoid the separation of the protecting hood from the protecting seat. The present invention can avoid the mechanical prying of the license plate.

The invention relates to an anti-prying packaging barrel, comprising a container main body and a cover body, wherein when the cover body is used, the cover body is fixedly arranged on the container main body from the upper part; the container main body comprises a bottom part, a peripheral side part connected with the upper periphery of the bottom part, a mouth part connected with upper edge of the peripheral side part and a handle part connected with upper edge of the peripheral side part; the mouth part comprises a buckle with an annular shell, basically bending inwards; the cover body comprises a central part, a skirt part and a tearing part; the skirt part is arranged around the periphery of the central part and is connected with the peripheral sides of the central part from lower part; the tearing part is connected with a lower edge of the skirt part; the buckle is tightly enclosed by a space formed by the skirt part and the central part; the tearing part is provided with 4-12 openings facing outwards and grooves along the vertical direction; the thickness of the tearing part expect the grooves is T; and the minimum thickness D of the tearing part in the grooves is 30-80% of T. When the cover body is arranged on the container main body, the lower end of the tearing part is located on the handle part.

The invention provides a panel lock. The panel lock comprises a panel, a rotating shaft, a locking structure, a handle and an electronic locking module, wherein the panel is provided with a rotating shaft mounting hole; the rotating shaft is pivotally inserted in the rotating shaft mounting hole; the locking structure is in drive connection with the rotating shaft; through a pivoting motion of therotating shaft, the locking structure is enabled to be in a locking or unlocking state; the handle is detachably connected with the rotating shaft, and is rotated to enable the rotating shaft to perform the pivoting motion; the electronic locking module is arranged on the inner side of the panel, and has a locking state and an unlocking state; when the electronic locking module is in the lockingstate, the electronic locking module locks the rotating shaft, so that the rotating shaft is immobilized; and when the electronic locking module is in the unlocking state, the electronic locking module releases the rotating shaft, so that the rotating shaft can pivot relative to the rotating shaft mounting hole. The panel lock effectively solves the problem of weak antitheft performance of a panellock in the prior art.

The invention discloses an intelligent tamper-resistant system and an intelligent tamper-resistant method. The method comprises the following steps of: obtaining a current scene image shot by a camera device mounted in a door lock key hole of a security door; detecting objects in the obtained current scene image; when the object is detected in the current scene image, comparing the current scene image with a preset key image template; when the current scene image and the key image template are judged to be not matched, opening the security deice of the security door to lock the bolt of the security device. According to the intelligent tamper-resistant system and method, when the system detects the unknown object enters into the door lock key hole of the security door, the security device in the security door can be opened.

The invention discloses an electricity-filching prevention electric energy meter, which comprises a terminal knob box cover, a front cover and a back cover, wherein the line slot bore on the terminal knob box cover is staggered with the line outlet of the electric energy meter. The invention has the advantages that the in-and-out line slot of the box cover is staggered with the in-and-out line port of the electric energy meter, to prevent electricity filching by inserting wire into the connection part of the electric energy meter, the invention uses prolonged box cover to protect the in-and-out line of the electric energy meter to prevent electricity filching, the terminal knob box cover only can be opened in one way which can not be lifted up by external force, the one-time anti-prying sealing slot can prevent prying, the double protection of the one-time anti-prying sealing and lead seal keyhole can effectively protect the in-and-out lines of the electric energy meter to completely prevent general electricity filching methods. The invention can effectively prevent the modification on in-and-out lines to prevent electricity filching, while the force electricity filching can be exposed.

The invention relates to an intelligent motor-driven burglarproof door. The improvement is realized aiming at a door structure, and an automatic motor-driven mobile lock structure is designed by adopting a brand-new design idea. The intelligent motor-driven burglarproof door is specifically characterized in that a sliding bar (4) is arranged on the back of a door body (1); on the basis of specifically designing a motor- driven circuit (12), an electric control lock body (10) is designed to vertically move along the sliding rod (4) under mutual rotation of a gear connected with a rotating motor (9) and an upper gear groove of in the sliding rod (4); by matching vertical movement of the electric control lock body (10), a slideway clamping groove (3) of which the length corresponds to that of the side of a door frame (2) is designed to be introduced to the door frame (2), so that the door body (1) and the door frame (2) are closed; in addition, in the vertical moving process of the electric control lock body (10), an electric control telescopic lock tongue in the electric control lock body (10) and the slideway clamping groove (3) form a retracting structure. Therefore, the hiding of the electric control lock body (10) is realized outside the door body (1), and the burglarproof effect of the door is effectively improved.

The invention discloses a shutter door electronic lock and an operating principle thereof and relates to the technical field of shutter doors. The shutter door electronic lock comprises a first electronic lock, a pull rod component, a guiding groove and a stroke detection device, wherein the first electronic lock comprises a shell, an iron core, an electromagnetic coil and a reset spring, and the electromagnetic coil and the reset spring are used for driving the iron core to move; the pull rod component comprises a pull rod connected with the iron core, a U-shaped clip and a pull ring, the U-shaped clip and the pull ring are buckled together and are arranged on the pull rod in a sliding mode, and the pull rod is further provided with a bolt used for stretching the U-shaped clip open. The shutter door electronic lock has the advantages that to install the shutter door electronic lock, it is only needed to change original shutter door circuit connection, and a control system does not need to be additionally installed; due to the fact that main components are all located on the inner side of a shutter door, damage can not be caused easily, and anti-theft effect is good; during a power outage, the state of the shutter door electronic lock can be changed manually by a user through the pull ring component, and therefore using is convenient.

The invention discloses a bucket lid opening and closing device, which comprises at least two tooth prying rods for correspondingly clamping a plurality of teeth arranged on a bucket lid to drive thebucket lid to be screwed or loosened relative to a bucket body, a driving disc for driving rotation of the tooth prying rods, a handle which is fixed relative to the driving disc and pries the drivingdisk to drive the bucket lid to rotate relative to the bucket body when the tooth prying rods clamps the corresponding teeth, wherein the driving disc is provided with a plurality of adjusting grooves, through which the at least two tooth prying rods passes so as to be driven to approach or leave the corresponding teeth in a radial direction during rotating, and the handle is provided with a locking block capable of abutting against the driving disc to limit the driving disc to rotate relative to the bucket lid. When the bucket lid is opened or closed, the driving disc is firstly rotated, theadjusting grooves drive the tooth prying rods to clamp the corresponding teeth in a radial direction, then the locking block is started for locking the driving disc, and finally the handle is pried,so that the bucket lid rotates along with the handle and relative to the bucket body and is screwed or loosened. Since the handle can save labor, reduction of the difficulty of opening and closing thebucket lid is facilitated.